1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
import { PlaylistObject } from '../../../shared/models/activitypub/objects/playlist-object'
import { crawlCollectionPage } from './crawl'
import { ACTIVITY_PUB, CONFIG, CRAWL_REQUEST_CONCURRENCY, sequelizeTypescript, THUMBNAILS_SIZE } from '../../initializers'
import { AccountModel } from '../../models/account/account'
import { isArray } from '../../helpers/custom-validators/misc'
import { getOrCreateActorAndServerAndModel } from './actor'
import { logger } from '../../helpers/logger'
import { VideoPlaylistModel } from '../../models/video/video-playlist'
import { doRequest, downloadImage } from '../../helpers/requests'
import { checkUrlsSameHost } from '../../helpers/activitypub'
import * as Bluebird from 'bluebird'
import { PlaylistElementObject } from '../../../shared/models/activitypub/objects/playlist-element-object'
import { getOrCreateVideoAndAccountAndChannel } from './videos'
import { isPlaylistElementObjectValid, isPlaylistObjectValid } from '../../helpers/custom-validators/activitypub/playlist'
import { VideoPlaylistElementModel } from '../../models/video/video-playlist-element'
import { VideoModel } from '../../models/video/video'
import { FilteredModelAttributes } from 'sequelize-typescript/lib/models/Model'
import { VideoPlaylistPrivacy } from '../../../shared/models/videos/playlist/video-playlist-privacy.model'
import { ActivityIconObject } from '../../../shared/models/activitypub/objects'
function playlistObjectToDBAttributes (playlistObject: PlaylistObject, byAccount: AccountModel, to: string[]) {
const privacy = to.indexOf(ACTIVITY_PUB.PUBLIC) !== -1 ? VideoPlaylistPrivacy.PUBLIC : VideoPlaylistPrivacy.UNLISTED
return {
name: playlistObject.name,
description: playlistObject.content,
privacy,
url: playlistObject.id,
uuid: playlistObject.uuid,
ownerAccountId: byAccount.id,
videoChannelId: null
}
}
function playlistElementObjectToDBAttributes (elementObject: PlaylistElementObject, videoPlaylist: VideoPlaylistModel, video: VideoModel) {
return {
position: elementObject.position,
url: elementObject.id,
startTimestamp: elementObject.startTimestamp || null,
stopTimestamp: elementObject.stopTimestamp || null,
videoPlaylistId: videoPlaylist.id,
videoId: video.id
}
}
async function createAccountPlaylists (playlistUrls: string[], account: AccountModel) {
await Bluebird.map(playlistUrls, async playlistUrl => {
try {
const exists = await VideoPlaylistModel.doesPlaylistExist(playlistUrl)
if (exists === true) return
// Fetch url
const { body } = await doRequest<PlaylistObject>({
uri: playlistUrl,
json: true,
activityPub: true
})
if (!isPlaylistObjectValid(body)) {
throw new Error(`Invalid playlist object when fetch account playlists: ${JSON.stringify(body)}`)
}
if (!isArray(body.to)) {
throw new Error('Playlist does not have an audience.')
}
return createOrUpdateVideoPlaylist(body, account, body.to)
} catch (err) {
logger.warn('Cannot add playlist element %s.', playlistUrl, { err })
}
}, { concurrency: CRAWL_REQUEST_CONCURRENCY })
}
async function createOrUpdateVideoPlaylist (playlistObject: PlaylistObject, byAccount: AccountModel, to: string[]) {
const playlistAttributes = playlistObjectToDBAttributes(playlistObject, byAccount, to)
if (isArray(playlistObject.attributedTo) && playlistObject.attributedTo.length === 1) {
const actor = await getOrCreateActorAndServerAndModel(playlistObject.attributedTo[0])
if (actor.VideoChannel) {
playlistAttributes.videoChannelId = actor.VideoChannel.id
} else {
logger.warn('Attributed to of video playlist %s is not a video channel.', playlistObject.id, { playlistObject })
}
}
const [ playlist ] = await VideoPlaylistModel.upsert<VideoPlaylistModel>(playlistAttributes, { returning: true })
let accItems: string[] = []
await crawlCollectionPage<string>(playlistObject.id, items => {
accItems = accItems.concat(items)
return Promise.resolve()
})
// Empty playlists generally do not have a miniature, so skip it
if (accItems.length !== 0) {
try {
await generateThumbnailFromUrl(playlist, playlistObject.icon)
} catch (err) {
logger.warn('Cannot generate thumbnail of %s.', playlistObject.id, { err })
}
}
return resetVideoPlaylistElements(accItems, playlist)
}
// ---------------------------------------------------------------------------
export {
createAccountPlaylists,
playlistObjectToDBAttributes,
playlistElementObjectToDBAttributes,
createOrUpdateVideoPlaylist
}
// ---------------------------------------------------------------------------
async function resetVideoPlaylistElements (elementUrls: string[], playlist: VideoPlaylistModel) {
const elementsToCreate: FilteredModelAttributes<VideoPlaylistElementModel>[] = []
await Bluebird.map(elementUrls, async elementUrl => {
try {
// Fetch url
const { body } = await doRequest<PlaylistElementObject>({
uri: elementUrl,
json: true,
activityPub: true
})
if (!isPlaylistElementObjectValid(body)) throw new Error(`Invalid body in video get playlist element ${elementUrl}`)
if (checkUrlsSameHost(body.id, elementUrl) !== true) {
throw new Error(`Playlist element url ${elementUrl} host is different from the AP object id ${body.id}`)
}
const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: { id: body.url }, fetchType: 'only-video' })
elementsToCreate.push(playlistElementObjectToDBAttributes(body, playlist, video))
} catch (err) {
logger.warn('Cannot add playlist element %s.', elementUrl, { err })
}
}, { concurrency: CRAWL_REQUEST_CONCURRENCY })
await sequelizeTypescript.transaction(async t => {
await VideoPlaylistElementModel.deleteAllOf(playlist.id, t)
for (const element of elementsToCreate) {
await VideoPlaylistElementModel.create(element, { transaction: t })
}
})
logger.info('Reset playlist %s with %s elements.', playlist.url, elementsToCreate.length)
return undefined
}
function generateThumbnailFromUrl (playlist: VideoPlaylistModel, icon: ActivityIconObject) {
const thumbnailName = playlist.getThumbnailName()
return downloadImage(icon.url, CONFIG.STORAGE.THUMBNAILS_DIR, thumbnailName, THUMBNAILS_SIZE)
}
|
